Merge pull request #4545 from radarhere/pypy

Updated PyPy to 7.3.1

Author: hugovk

.appveyor.yml

@@ -24,7 +24,6 @@ environment:
     DEPLOY: NO
   - PYTHON: C:/vp/pypy3
     EXECUTABLE: bin/pypy.exe
-    PIP_DIR: bin
     VENV: YES
 
 

winbuild/appveyor_install_pypy3.cmd

@@ -1,3 +1,3 @@
-curl -fsSL -o pypy3.zip https://bitbucket.org/pypy/pypy/downloads/pypy3.6-v7.3.0-win32.zip
+curl -fsSL -o pypy3.zip https://bitbucket.org/pypy/pypy/downloads/pypy3.6-v7.3.1-win32.zip
 7z x pypy3.zip -oc:\
-c:\Python37\Scripts\virtualenv.exe -p c:\pypy3.6-v7.3.0-win32\pypy3.exe c:\vp\pypy3
+c:\Python37\Scripts\virtualenv.exe -p c:\pypy3.6-v7.3.1-win32\pypy3.exe c:\vp\pypy3